[Q] concurrent read/write to storage using both usb and wlan - Android Q&A, Help & Troubleshooting

Hello all,
I'm trying to read/write to the phone storage while the phone is connected using "USB storage".
This seems to put the phone storage in a lock. FTP apps that work flawlessly (using wlan) can't read/write to the phone storage. Also Play Store can't download and install apps.
Any idea on how to do this? (keep in mind that the scenario with both usb and wlan connections is mandatory)
If it helps (but i am also willing to buy another phone with another version of Android just to make this work):
Android 4.4.2
Kernel 3.4.67
Sorry for my English and Thank you!!!

Related

[Q] I cannot mount my internal storage via USB to PC

Hello guys,
This is my first post and this place is still new to me so bare with me.
I have a Samsung Galaxy S2 Plus. Rooted. Android 4.2.2
I am looking to recover some deleted files in the internal storage however whenever I plug in the USB to the PC, programs like "Paragon Backup and Recovery" and "Remo Recover for Android" cannot detect the device.
USB Debugging is checked.
I have been searching but no luck. Maybe someone here can help.
Thanks!
try kies and wandojia to update the lastest driver, it would help
LucciMane said:
Hello guys,
This is my first post and this place is still new to me so bare with me.
I have a Samsung Galaxy S2 Plus. Rooted. Android 4.2.2
I am looking to recover some deleted files in the internal storage however whenever I plug in the USB to the PC, programs like "Paragon Backup and Recovery" and "Remo Recover for Android" cannot detect the device.
USB Debugging is checked.
I have been searching but no luck. Maybe someone here can help.
Thanks!
Click to expand...
Click to collapse
sometimes change to another port would help
and also, you could switch mode (MTP, Camera, Mass Storage) and sometimes with debugging.
Eventually your PC would recognize and thus you could access to the internal data!
TRY harder man
GodShot said:
sometimes change to another port would help
and also, you could switch mode (MTP, Camera, Mass Storage) and sometimes with debugging.
Eventually your PC would recognize and thus you could access to the internal data!
TRY harder man
Click to expand...
Click to collapse
I tried all that. There is no option for Mass Storage. Otherwise I wouldn't be here lol.
Are you sure you have installed every drivers?
LucciMane said:
I tried all that. There is no option for Mass Storage. Otherwise I wouldn't be here lol.
Click to expand...
Click to collapse
Make sure every driver is properly installed?
You could use the Chinese synchronizing software "Wandojia". It could auto-detect and install the driver for you!
Or sometimes the option is hid under the category of more settings- wireless and networks- USB utilities
Or in storage, but you have to press menu to select the option
Just keep trying, good luck !

[q] MTP DC's

Hi.
I have my Galaxy S3 for some time now, and i want to transfer some music to my phone.
I have an SD Card with 64gb and of course, a computer
now what happens is that i start copying some music to my phone but after a few the phone simply disconnect and connect, which makes the file transfer very hard. (unless i'm gonna move song after song...)
Obviously this is not how the phone should work so this is why i am here.
Try Kies Air or Airdroid which are wireless transfers.
DualScreen said:
Hi.
I have my Galaxy S3 for some time now, and i want to transfer some music to my phone.
I have an SD Card with 64gb and of course, a computer
now what happens is that i start copying some music to my phone but after a few the phone simply disconnect and connect, which makes the file transfer very hard. (unless i'm gonna move song after song...)
Obviously this is not how the phone should work so this is why i am here.
Click to expand...
Click to collapse
That happened to me too but only one time while transferring 5GB of music from my computer to my SD card so it wasn’t terrible. You can use the tools mentioned by sriram231092, or put your files on any of your clouds storage, then download them to your phone and transfer them to your SD card.
Edit: I found out reading Boeffla-Config Settings that if you have Boeffla Kernel, you can change the USB connection as UMS on demand, which simplify data transfer:
http://www.boeffla-kernel.de/non-joomla/en/bc-settings.html#Overview said:
1.1 UMS Mode
Default: Off
Expected impact: Make external phone SD card available as drive on an USB-connected PC
With Android 4.x versions, Google decided to only use the MTP (media transfer protocol) for communication when you connect your device to a PC.
This prevents the memory to show up as a drive but only as a device.
By toggeling this checkbox, the external SD card gets unmounted internally (not accessible from the phone anymore) and the protocol is switched from MTP to UMS (usb mass storage) to make it appear as a normal USB drive on your PC. This simplifies data transfer a lot.
Please do not forget to untick this again after you finished using the connection, so it gets mounted and visible on your Android device again.
Note: When this does not properly work, it is most likely an issue with USB drivers installed on your PC.
Click to expand...
Click to collapse

[Q] USB Support

Has anyone explored the USB support on the Xperia Z4 tablet? If you have, can you confirm that if an external memory device such as a memory stick is connected it disables the internal SD card? If any apps have been transferred to the SD card they then become inaccessible and the Z4 can become unstable. The only way to restart the apps is to remove the memory stick and manually restart the Z4!
This is so serious that I am about to contact Sony and tell them that with its current configuration, the Z4 tablet is unfit for use!
external USB does not work here <- wrong, corrected
I plugged in an USB-Adapter to connect several USB-Sticks. That did not work.
I remember it worked with an ancient Toshiba AT300 Tablet three years ago. Have not used it since then ...
Nowadays I use Software Data Cable but this is no fun (permission wise) on my stock, unrooted Z4 Tablet.
I have a 128 GBytes MicroSD card plugged in but this is no fun (permission wise) on my stock, unrooted Z4 Tablet.
I did not unplug the MicroSD card.
EDIT: I stand corrected by ITotem (next Post #3)
It works - but not automagically (as it does on my Toshiba Tablet). Both - SD Card and external Storage - work simultanously!
cojaw said:
Has anyone explored the USB support on the Xperia Z4 tablet? If you have, can you confirm that if an external memory device such as a memory stick is connected it disables the internal SD card? If any apps have been transferred to the SD card they then become inaccessible and the Z4 can become unstable. The only way to restart the apps is to remove the memory stick and manually restart the Z4!
This is so serious that I am about to contact Sony and tell them that with its current configuration, the Z4 tablet is unfit for use!
Click to expand...
Click to collapse
I don't own the Sony Xperia Z4 tablet yet... .but have you tried the solution described here? http://forum.xda-developers.com/z4-tablet/general/usb-otg-support-t3147871?
According to him:
allofmex said:
If you try to connect USB storage to your Z4 Tablet it seems not to work (tested on 28.0.A.6.8).
But as found out at w ww.coolsmartphone.com/2015/06/27/xperia-z4-tablet-missing-usb-otg-support/ it is! Its only unneeded complicated...
In short: go to "Settings" -> "Xperia Connectivity" -> "USB Connectivity" -> "Detect USB device" while storage is already connected. Then it's showing up in /storage/usbdisk as it should be.
(under "USB Connectivity" -> "Tips for connecting with USB device" you can add a shortcut to quicksettings)
Let's hope Sony will fix this to auto connect as it was working e.g. in Tablet Z. There it is showing up immediately when you plugged it in without a need to touch minimum 3 times!!!!
Click to expand...
Click to collapse
ITotem said:
I don't own the Sony Xperia Z4 tablet yet... .but have you tried the solution described here? http://forum.xda-developers.com/z4-tablet/general/usb-otg-support-t3147871?
According to him:
Click to expand...
Click to collapse
Thanks for the reply.
I have used the solution mentioned, but the issue is not connecting to the USB memory, which does work as described, but what happens to the Z4 when you do get connected. Losing access to the SD card in the memory expansion slot is a major problem.
please read post #2 above
cojaw said:
... is a major problem.
Click to expand...
Click to collapse
please read post #2 above
DHGE said:
please read post #2 above
Click to expand...
Click to collapse
Thanks for your response.
Have you tried running an app that you have transferred to the SD card using the standard Android 'Move to SD Card' function while a USB memory stick is installed?
external USB-Stick disables apps moved to SD Card
cojaw said:
Thanks for your response.
Have you tried running an app that you have transferred to the SD card using the standard Android 'Move to SD Card' function while a USB memory stick is installed?
Click to expand...
Click to collapse
Yes
DOES NOT RUN - holy cow!
Needs a reboot to join the app pool again.
Bad design/functionality IMO
DHGE said:
Yes
DOES NOT RUN - holy cow!
Needs a reboot to join the app pool again.
Bad design/functionality IMO
Click to expand...
Click to collapse
Thanks for confirming it! I thought it might be me!
More Z4 USB information
cojaw said:
Thanks for confirming it! I thought it might be me!
Click to expand...
Click to collapse
I have been in touch with Sony 'Xperia Care' about the issues I have raised with the USB support on the Z4 tablet. I have the full transcript, but the following extracts from their email confirm my worst suspicions. They said:
'I can confirm that when a USB device is connected to the tablet the SD card is meant to unmount.'
and
'We would also not recommend using a USB hub on the tablet as this not the intended purpose of connecting a USB device to the tablet, the main one being for external storage. '
What follows is based on my experience so far:
This means that while a USB memory device is attached to the Z4 tablet, any app which has been transferred to the SD card will stop. If an app attempts to run in the background, the Z4 tablet can crash. This has happened on my Z4 tablet.
Using 'Tap here to safely remove USB storage' does not re-mount the SD card. The only way to restore access to the SD card is to restart the Z4 tablet.
On some occasions, both USB memory AND SD based apps work, despite what Xperia Care say! However this not the norm!
Although Sony do not recommend the use of USB hubs, they do work. However:
If the hub offers power to the Z4 tablet, the Z4 will go in to 'charge' mode and disables the OTG data mode.
If the hub is completely non-powered, the Z4 tablet is likely to disable power to the USB port and close it down if you attach multiple devices. It certainly can't power a USB powered hard drive, unlike my LG G3 phone which can!
If the hub powers USB devices but not the Z4 tablet, it seems to work normally. However, the USB implementation on the Z4 can only support ONE memory device, again unlike my LG G3 phone which supports the two I have tried and probably more!
I have told Xperia Care that I think the USB support on the Z4 tablet is a mess!
I was going to start a new thread but then found this. I like to use a mouse with my Z4 - it completes the PC-like setup. However, I have found that whenever I want to use a wireless mouse, the dongle connectd to the OTG cable is not recognized until I reboot the tablet. I wondered if I had a problem but it looks as though it could be the same issue as reported here.
I was looking for a thread for USB experiences on the Z4 tablet and found this. At the same time, I've been experimenting with different setups and also testing the problems cited here. I've had NO problems so far, so I'll give a run down on what I've been running.
I have a USB non-powered hub attached. From that, I'm running wireless keyboard/mouse combo. At the same time, I've attached a powered external Maxell HDD, which happens to be NTFS.
To mount the HDD, I've used ExFAT/NTFS. This opens directly into another required file management app called Total Commander (TC). ExFAT/NTFS needs to be running for the file commander app to access the HDD, but once it is, it appears in the list fine. I can also then switch between SD card browsing and HDD browsing in TC without any problems.
I also tested the concurrent running of apps via SD Card while the HDD is mounted. I moved Firefox over to the SD Card. When I did this, the transfer process unmounted the HDD in the background. So, I had to remount via ExFAT/NTFS, but once done, it ran again without problems. I then concurrently ran Firefox and Total Commander together, switching between the two and found NO problems. Again, I can also switch from the HDD to the SD Card without problems.
Assuming that this is the required level of concurrent use (browsing HDD and using SD Card mounted apps at the same time), then I'd say that Sony must have fixed the problems. There has been a major update to both the Sony UI and to Google's Nougat since this thread was active.
Just to add, I've had several keyboards and mice running at the same time via the one USB hub, without crashes, which was pleasing, though completely pointless
Will try to run some controllers via the USB next.

Lineage OS - Installed on SD Card Instead of Internal Memory

If this is not the correct thread, please advise.
Samsung GT-P5113
Rooted successfully
Previous - Android Jellybean 4.2.2
Current - Lineage 6.0.1 - Version 13.0.20170826-NIGHTLY-expressowifi
The Lineage install modified external SD card to be the dedicated internal storage installed platform with OS running on the SD card. I can no longer see the SD card as an external device in USB Windows connection. Basically it is messed up. Unfortunately backup is no longer avail. CWM is now installed.
Please please advise how to correct.
Thanks ahead of time
Steve
I will reply to myself since no one else will
Steve,
Android JellyBean 4.2.2 is gone since your initial backup is corrupted. If you want to re-install that ROM, you can take the gamble on finding it on the internet but the amount of malicious sites falsely stating it is on their site is too high to take gamble. Go find a stable official custom ROM.
You have two options available for using an SD card. Use it as part of the system memory or use it as portable memory. Either way, I have not found a successful way of connecting a usb cable and directly reading\writing to the portable memory. You can remove and place in a memory reader with another device but the USB connection has failed miserably with the custom ROMs. ADB is supposedly an option but I did not get it to work via USB cable.
Your on your own here.
Good Fortune
Your buddy
Steve

Access android device from tablet using MTP

As we all have observed, usb mass storage is not available anymore on our devices. This isn't a bad thing if you're using a computer but... I have a tablet and the plan is to access the phone using the usb otg. It's partially working since when I connect the phone 2 options show up: gallery and downloads, with downloads i can access all the files from the phone but I can't seem to find any file using anything else. The tablet is rooted, the phone isn't. With root explorer I can't find anywhere the phone and its contents. Why it is important to me? because i want to use the tablet as a media center in a car and if i had the option of usb mass storage as before i could have the music player play straight from the phone as it would be seen as an usb storage.
I posted this here because it has nothing to do with the device models and this applies to any 2 androids. (the tablet is a rooted galaxy s2 tablet and the phone is galaxy s8 snapdragon non rooted)
If i could find the location of the mount i could create a link-foldermount thing from the location of my phone's contents to the internal memory of the tablet so it would work as a wonder, the problem is that i can't find where the phone is mounted and yes i have tried mnt and storage folder-there is no usb folder as it would be for a normal flash drive.
Any ideas/suggestions?

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